Multiple diode lasers stabilized with a fiber grating
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United States of America Patent
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Dec 31, 1996
Issued Date -
N/A
app pub date -
Mar 30, 1995
filing date -
Jun 28, 1994
priority date (Note) -
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Abstract
A fibre Bragg grating is used to stabilize the intensity and frequency fluctuations of two diode lasers simultaneously. The polarized optical output from the diode lasers is collimated and directed through a beam combiner device which combines the separate beams into a single beam, thus summing the optical power. The combined beam is directed into an optical fibre containing a fibre Bragg grating which reflects a fraction of the light back into each diode laser to cause low-coherence, stable operation of each laser.
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